This is absolutely unacceptable!

Running udevadm info -q all -n /dev/sdb from the SSH command line turns up the following when the Toshiba Canvio 1T drive that doesn’t get mounted is attached.

E: ID_USB_INTERFACES=:080650:

Here is the full dump from the udevadm command:

P: /devices/platform/xhci-hcd/usb2/2-1/2-1:1.0/host2/target2:0:0/2:0:0:0/block/sdb
N: sdb
S: disk/by-id/usb-TOSHIBA_External_USB_3.0_2011111316674-0:0
S: disk/by-path/platform-xhci-hcd-usb-0:1:1.0-scsi-0:0:0:0
E: DEVLINKS=/dev/disk/by-id/usb-TOSHIBA_External_USB_3.0_2011111316674-0:0 /dev/disk/by-path/platform-xhci-hcd-usb-0:1:1.0-scsi-0:0:0:0
E: DEVNAME=/dev/sdb
E: DEVPATH=/devices/platform/xhci-hcd/usb2/2-1/2-1:1.0/host2/target2:0:0/2:0:0:0/block/sdb
E: DEVTYPE=disk
E: ID_BUS=usb
E: ID_INSTANCE=0:0
E: ID_MODEL=External_USB_3.0
E: ID_MODEL_ENC=External\x20USB\x203.0
E: ID_MODEL_ID=a006
E: ID_PART_TABLE_TYPE=dos
E: ID_PATH=platform-xhci-hcd-usb-0:1:1.0-scsi-0:0:0:0
E: ID_PATH_TAG=platform-xhci-hcd-usb-0_1_1_0-scsi-0_0_0_0
E: ID_REVISION=0001
E: ID_SERIAL=TOSHIBA_External_USB_3.0_2011111316674-0:0
E: ID_SERIAL_SHORT=2011111316674
E: ID_TYPE=disk
E: ID_USB_DRIVER=usb-storage
E: ID_USB_INTERFACES=:080650:
E: ID_USB_INTERFACE_NUM=00
E: ID_VENDOR=TOSHIBA
E: ID_VENDOR_ENC=TOSHIBA\x20
E: ID_VENDOR_ID=0480
E: MAJOR=8
E: MINOR=16
E: SUBSYSTEM=block
E: UDEV_LOG=3
E: USEC_INITIALIZED=5718810591

As usual the My Cloud indicates 0K when the drive it attached and further indicates unable to create share.

USB Device Name Toshiba External USB 3.0 
Manufacturer Toshiba 
Model External USB 3.0 
Serial Number 2011111316674 
Firmware Version 0.01 
Size 0 KB 

Unable to create share
A share could not be created on a USB device (vendor: Toshiba, model: External USB 3.0, serial number: 2011111316674, file system: ntfs, label: Toshiba1T, share name: Toshiba1T).
Friday, February 05, 2016 3:27:00 AM Code 1122

I’ve sent off several log files to WD Support but as yet they haven’t gotten back other than to say they’re looking at it.